AD replication over a Site to site vpn (linksys to linksys) connection

Posted on 2006-03-22
Last Modified: 2009-07-29
I have a client who is intending on opening a branch office. If i was to put a DC at the remote office which is connected to the headoffice via a VPN tunnel using a WAG54G Linksys router at each end, i wouldnt have to open any ports on my router right? (ie port forwarding)  I know AD uses specific ports, and i would have to open ports in the case that the vpn tunnel was sitting behind a firewall right?

Just confirming what i think i already know!

Please prove me wrong, i need to learn!
Question by:msha094
    LVL 3

    Expert Comment

    I did this on two Netgear ADSL routers.

    I set the VPN up between the routers and AD worked fine.

    Author Comment

    so no ports, it just uses the normal tunnel for communication
    LVL 48

    Accepted Solution

    If the VPN server is behind a router, Port Mapping will need to be done on the router.
    Standard port usage is 1723 for PPTP. You might also need to configure your router for PPTP Passthrough. Port usage for IPSec is 500, 50-51. These ports will have to be forwarded to the VPN server's local IP address

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